package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.dao.OrderSettingDao;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderSettingService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author junmanna
 * @version 1.0
 * @date 2019/11/13 15:59
 */

/**
 * 预约设置服务
 */
@Service(interfaceClass = OrderSettingService.class)
@Transactional
public class OrderSettingServiceImpl implements OrderSettingService {
    @Autowired
    private OrderSettingDao orderSettingDao;
    /**
     * 批量导入预约设置
     * @param list
     */
    @Override
    public void add(List<OrderSetting> list) {
    if(list != null && list.size() > 0){
        for (OrderSetting orderSetting : list) {
            //判断当前日期是否已经进行了预约设置
         Long countByOrderDate = orderSettingDao.findCountByOrderDate(orderSetting.getOrderDate());

         if(countByOrderDate > 0){
             //如果数据已存在，执行更新操作
             orderSettingDao.editNumberByOrderDate(orderSetting);
         }else{
             //不存在，执行插入操作
             orderSettingDao.add(orderSetting);
         }
        }

    }
    }

    /**
     * 根据月份查询对应的预约设置数据
     * @param date
     * @return
     */
    @Override
    public List<Map> getOrderSettingByMonth(String date) {
        String begin = date + "-1";
        String end = date + "-31";
        Map<String,String> map = new HashMap<>();
        map.put("begin",begin);
        map.put("end",end);
        //调用Dao，根据日期范围查询预约设置数据
        List<OrderSetting> list = orderSettingDao.getOrderSettingByMonth(map);
        List<Map> result = new ArrayList<>();
        if(list != null && list.size() > 0){
            for (OrderSetting orderSetting : list) {
                Map<String,Object> m = new HashMap<>();
                m.put("date",orderSetting.getOrderDate().getDate());//获取日期数字（几号）
                m.put("number",orderSetting.getNumber());  //获取设置预约的人数
                m.put("reservations",orderSetting.getReservations());//已预约人数
                result.add(m);
            }
        }
        return result;
    }

    /**
     * 根据日期设置对应的预约设置数据
     * @param orderSetting
     */

    @Override
    public void editNumberByDate(OrderSetting orderSetting) {
        //根据日期查询是否已经进行了预约设置
        Long countByOrderDate = orderSettingDao.findCountByOrderDate(orderSetting.getOrderDate());

        if(countByOrderDate > 0){
            //当前日期已经进行了预约设置
            orderSettingDao.editNumberByOrderDate(orderSetting);
        }else {
            //当前日期没有进行预约设置,进行添加操作
            orderSettingDao.add(orderSetting);
        }
    }
}
